Form4insider filings, from the source

Insider · CIK 0001331843

Mark Sullivan

Files at: DFTX. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $586k · 1net −$586k
$10k$10k$100k$100k$1M$1MbuyssalesSep 2024Jan 2025May 2025Sep 2025Jan 2026May 2026Sep 2026

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 14, 2026 AForm 4 →Sep 14, 8:30 am EDTDefinium Therapeutics, Inc.DFTX125,000——508,279—
Aug 12, 2026 AForm 4 →Aug 12, 8:30 am EDTDefinium Therapeutics, Inc.DFTX62,500——383,071—
Jun 25, 2026 SForm 4 →Jun 26, 4:30 pm EDTDefinium Therapeutics, Inc.DFTX13,008$45.03$585,750320,571−3.90%10b5-1
Jun 22, 2026 AForm 4 →Jun 22, 9:45 am EDTDefinium Therapeutics, Inc.DFTX62,500——333,579—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.